In 2008, nearly 31% of vehicle fatalities were related to failure to adhere to safe vehicle speeds (National Highway Traffic Safety Administration [NHTSA], 2009). The current study evaluated the effect of a rectangular rapid-flashing beacon (RRFB) triggered by excessive speed on vehicle speed using a combined alternating treatments and reversal…

The Florida Department of Transportation used a series of changeable-message signs that functioned as freeway guide signs to divert traffic to Universal Theme Park via one of two eastbound exits based on traffic congestion at the first of the two exits. An examination of crashes along the entire route indicated a statistically significant increase…

Introduction of prompts in the form of specific signs and stop line bars at a crosswalk was designed to influence motorists to stop further back when yielding right-of-way to pedestrians, and resulted in an almost 80 percent reduction in motor vehicle-pedestrian conflicts at the selected location. (JW)